Mathematical objects can be abstract.Logical formLearned from2 sentences. Conceptualizations can be abstract.Logical formLearned from2 sentences. Determination can be abstract.Logical formLearned from2 sentences. A category can be a description of an abstract (data type).Logical formLearned from2 sentences. An abstract type may be instantiated.Logical formLearned from2 sentences. A (library aspect) can be abstract.Logical formLearned from2 sentences. A (relief sculpture) can be abstract.Logical formLearned from2 sentences. A stimulation can be abstract.Logical formLearned from2 sentences. Verbs can be abstract.Logical formLearned from2 sentences. An abstract model can be constituted-of-or-filled-with computation.Logical formLearned from2 sentences. Patents can be abstract.Logical formLearned from2 sentences. Abstract (data structures) may undergo a use.Logical formLearned from2 sentences. Hypothesis can be abstract.Logical formLearned from2 sentences. A (process model) can be abstract.Logical formLearned from2 sentences. An abstract model may contain activities.Logical formLearned from2 sentences.